A walk back through the joins, hashing, Teradata, key selection, and arguments for and against sequence numbers. While this post is specifically related to Teradata, there are some generic statements here that apply to all MPP solutions.

A quick entry about the value and positioning of PIT and Bridge Tables in virtualizing data marts, providing equal joins against the DV model, and improving join performance against the Data Vault 2.0 solution.

We’ve been addressing the question: what happens to a Data Vault Model when NoSQL is involved as the platform? In this entry I will address this question at a management level. If you want to know more about the details, you’ll have to attend this years’ conference: http://wwDVC.com